Ligand-free and size-controlled synthesis of oxygen vacancy-rich WO3−x quantum dots for efficient room-temperature formaldehyde gas sensing

RSC Advances ◽  
2016 ◽  
Vol 6 (98) ◽  
pp. 95747-95752 ◽  
Author(s):  
Yahui Li ◽  
Qiqi Zhang ◽  
Xinshi Li ◽  
Hua Bai ◽  
Wentao Li ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Detection Limit ◽  
Oxygen Vacancy ◽  
Room Temperature ◽  
Gas Sensing ◽  
Controlled Synthesis ◽  
Synthetic Route ◽  
Ligand Free ◽  
Size Controlled

The present work provides an effective synthetic route for oxygen vacancy-rich WO3−x QDs. More importantly, the WO3−x QDs displayed high formaldehyde sensitivity with a detection limit of 1.5 ppm at room temperature.

Size-controlled synthesis of SnO2 quantum dots and their gas-sensing performance

2015 ◽  
Vol 346 ◽  
pp. 256-262 ◽  
Author(s):  
Jianping Du ◽  
Ruihua Zhao ◽  
Yajuan Xie ◽  
Jinping Li
Keyword(s):  
Quantum Dots ◽  
Gas Sensing ◽  
Controlled Synthesis ◽  
Size Controlled ◽  
Sensing Performance

Size controlled synthesis of carbon quantum dots using hydride reducing agents

2014 ◽  
Vol 2 (30) ◽  
pp. 6025-6031 ◽  
Author(s):  
Keith Linehan ◽  
Hugh Doyle
Keyword(s):  
Quantum Dots ◽  
Carbon Tetrachloride ◽  
Room Temperature ◽  
Carbon Quantum Dots ◽  
Reducing Agents ◽  
Controlled Synthesis ◽  
Inverse Micelles ◽  
Hydride Reduction ◽  
Size Controlled

Highly luminescent carbon quantum dots (CQDs) are synthesized at room temperature by hydride reduction of carbon tetrachloride within inverse micelles.

Shape and size controlled synthesis of Au nanorods: H 2 S gas-sensing characterizations and antibacterial application

2015 ◽  
Vol 635 ◽  
pp. 265-271 ◽  
Author(s):  
Le Thi Lanh ◽  
Tran Thai Hoa ◽  
Nguyen Duc Cuong ◽  
Dinh Quang Khieu ◽  
Duong Tuan Quang ◽  
...  
Keyword(s):  
Gas Sensing ◽  
Controlled Synthesis ◽  
Au Nanorods ◽  
Size Controlled ◽  
Shape And Size

Shape- and size-controlled synthesis of nanometre ZnO from a simple solution route at room temperature

2006 ◽  
Vol 17 (15) ◽  
pp. 3632-3636 ◽  
Author(s):  
H L Cao ◽  
X F Qian ◽  
Q Gong ◽  
W M Du ◽  
X D Ma ◽  
...  
Keyword(s):  
Room Temperature ◽  
Simple Solution ◽  
Controlled Synthesis ◽  
Solution Route ◽  
Size Controlled ◽  
Shape And Size

Fe3O4/rGO nanocomposite: synthesis and enhanced NOxgas-sensing properties at room temperature

RSC Advances ◽  
2016 ◽  
Vol 6 (43) ◽  
pp. 37085-37092 ◽  
Author(s):  
Ying Yang ◽  
Li Sun ◽  
Xiangting Dong ◽  
Hui Yu ◽  
Tingting Wang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Detection Limit ◽  
Response Time ◽  
Reduced Graphene Oxide ◽  
Room Temperature ◽  
Gas Sensing ◽  
High Sensitivity ◽  
Short Response Time ◽  
Reduced Graphene ◽  
Sensing Performance

Fe3O4nanoparticles-decorated reduced graphene oxide nanocomposites have been successfully synthesized using solvothermal-pyrolytic method. They have superior gas sensing performance with low detection limit, high sensitivity and short response time.

2D WS2 nanosheets with TiO2 quantum dots decoration for high-performance ammonia gas sensing at room temperature

2017 ◽  
Vol 253 ◽  
pp. 1034-1042 ◽  
Author(s):  
Ziyu Qin ◽  
Chao Ouyang ◽  
Jian Zhang ◽  
Li Wan ◽  
Shimin Wang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
High Performance ◽  
Room Temperature ◽  
Gas Sensing ◽  
Ammonia Gas ◽  
Ws2 Nanosheets

Size-controlled synthesis and gas sensing application of tungsten oxide nanostructures produced by arc discharge

2011 ◽  
Vol 22 (33) ◽  
pp. 335702 ◽  
Author(s):  
F Fang ◽  
J Kennedy ◽  
J Futter ◽  
T Hopf ◽  
A Markwitz ◽  
...  
Keyword(s):  
Tungsten Oxide ◽  
Gas Sensing ◽  
Arc Discharge ◽  
Controlled Synthesis ◽  
Oxide Nanostructures ◽  
Sensing Application ◽  
Size Controlled
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